Returns the current size of the receiver’s in-memory cache, in bytes.
Original signature is '- (NSUInteger)currentMemoryUsage'
Available in Mac OS X v10.2 with Safari 1.0 installed and later.

C# | Visual Basic | Visual C++ |
public virtual NSUInteger CurrentMemoryUsage { get; }
Public Overridable ReadOnly Property CurrentMemoryUsage As NSUInteger Get
public: virtual property NSUInteger CurrentMemoryUsage { NSUInteger get (); }

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)